GEBCO

Gridded Bathymetry Data

GEBCO's gridded bathymetric data sets are global terrain models for ocean and land. The grids are available to download or access through Web Map Services.

Part of the GEBCO world map showing bathymetry from the GEBCO grid and names from the GEBCO Gazetteer of Undersea Feature Names

GEBCO produces and makes available a range of bathymetric data sets and products. This includes a global bathymetric grid; gazetteer of undersea feature names, a Web Map Service and printable maps of ocean bathymetry.

3D view of the GEBCO grid for the Mariana Trench region in the Northwest Pacific Ocean

Seabed 2030

Seabed 2030 is a collaborative project between the Nippon Foundation and GEBCO. It aims to bring together all available bathymetric data to produce the definitive map of the world ocean floor by 2030 and make it available to all.

GEBCO Spotlight

Permanent Secretariat for GEBCO established

On 13th October 2026, a new Secretariat for a global programme to coordinate efforts to map the ocean floor was officially inaugurated by H.S.H. Prince Albert II of Monaco and IHO Council participants. The Secretariat provides the programme with a dedicated team to support an expanding range of activities and long-term strategic objectives.

HSH Prince Albert II, Mrs Berro-Amadeï, Monaco Government Counsellor & Minister, and M. Helgesen, IOC UNESCO Executive Secretary inaugurated the Secretariat alongside IHO Secretary-General Rear Admiral Sinapi and Directors Dr Nyberg and Mr Greenland. ©Frédéric Nebinger - Palais Princier de Monaco

Permanent Secretariat for the General Bathymetric Chart of the Oceans (GEBCO) established

23 October 2026

Imagery based on the sub-ice topography shaded relief layer in the GEBCO_2026 WMS

WMS layers now available for the GEBCO_2026 Grid

4 August 2026

Imagery based on the GEBCO_2026 Grid is now available in the form of Web Map Services (WMS).

Registration is now open for the 2026 GEBCO Symposium

8 July 2026

The Symposium will be held in Cartagena, Colombia, from 8-9 October 2026. It will bring together the global ocean community to exchange knowledge, inspire collaboration, and advance our collective understanding of the seabed and the ocean environment. Find out more and how to register.

Seabed 2030 Indo-Pacific Ocean Mapping Meeting & Data Sprint

Registration open for the Seabed 2030 Indo-Pacific Mapping Meeting 2026

1 July 2026

Registration is now open for the Seabed 2030 Indo-Pacific Ocean Mapping Meeting & Data Sprint. It will be held in October 2026 in Kuala Lumpur, Malaysia. Find out more and how to register from Seabed 2030's web site.